1. 1. Use ONE word from paragraph 1 to complete the following statement:

Paleontologists __________ to find clues about the life and extinction of dinosaurs.

2. 2. In paragraph 1, the term “artifacts” is specifically used to refer to:

3. 3. In paragraph 2, the concept of “compile data” is used to illustrate how researchers:

4. 4. In paragraph 2, “speculate” is used to convey that some scientists:

6. 5. What is “taxonomy” in paragraph 3? Use 'Fruit' as an example to elaborate your answer.

6. 6. In paragraph 3, the term “intricate” is used to describe dinosaur taxonomy because it:

7. 7. Use ONE word to complete the following statement based on the information in paragraph 4:

To ensure the __________ of fossils, researchers use advanced techniques.

Hints: 'the' usually follows by a Noun.

8. 8. Find a word in paragraph 4 that means 'altogether'.

9. 9. In paragraph 5, the writer mentioned 'scientists resolutely challenge old hypotheses'. Can you suggest one old hypotheses that could have been challenged regarding dinosaur extinction?

10. 10. Find a word in paragraph 6 that means “common.”